Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
  • D06M23/10—Processes in which the treating agent is dissolved or dispersed in organic solvents; Processes for the recovery of organic solvents thereof
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
  • C08L83/04—Polysiloxanes
  • C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
  • C09D183/04—Polysiloxanes
  • C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
  • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups

Definitions

• the invention relates to optically clear compositions based on organopolysiloxane containing aminoalkyl groups, water and alkanol and solubilizers and their preparation.
• Organopolysiloxanes containing aminoalkyl groups are used in large quantities, for example as textile finishing agents, in cosmetics and as release agents.
• organopolysiloxanes containing aminoalkyl groups are formed at room temperature when mixing polydimethylsiloxane containing terminal silanol groups and alkoxysilane having aminoalkyl groups.
• the organopolysiloxane containing aminoalkyl groups prepared in this way is cloudy, however, since alkanol which forms as a condensation product and, if appropriate, water are poorly soluble in the organopolysiloxane.
• alkanol which forms as a condensation product and, if appropriate, water are poorly soluble in the organopolysiloxane.
• An exact dosage of the organopolysiloxane containing aminoalkyl groups is possible after the phases have been separated or emulsified.
• the object of the present invention is to provide compositions based on organopolysiloxane containing aminoalkyl groups in a manner which is as inexpensive as possible, in which neither clouding occurs during storage and organopolysiloxane containing aminoalkyl groups can be metered in easily.
• the optically clear composition is processed into an aqueous emulsion.
• the solubilizers do not interfere with emulsification and in some cases even fulfill the function of an emulsifier or emulsifying aid.
• a single compound can be used as a solubilizer; mixtures of different solubilizers can also be used.
• the optically clear compositions contain at most 0.5 part by weight per 100 parts by weight of organopolysiloxane (A) compounds (B) which are selected from water, methanol and ethanol.
• the C 3 - to C 12 -alkoxy radicals R 1 are so little reactive that the resulting by condensation with silanol groups or hydrolysis with water C 3 - to C can apply 12 alkanols only in very small quantities. Furthermore, these alkanols dissolve easily in (A) organopolysiloxane and are themselves solubilizers (C1).
• C 1 to C 18 hydrocarbon radicals are alkyl radicals, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert-butyl, n-pentyl -, iso-pentyl, neo-pentyl, tert-pentyl; Hexyl radicals, such as the n-hexyl radical; Heptyl residues, such as the n-heptyl residue; Octyl radicals, such as the n-octyl radical and iso-octyl radicals, such as the 2,2,4-trimethylpentyl radical; Nonyl radicals, such as the n-nonyl radical; Decyl radicals, such as the n-decyl radical; Dodecyl radicals, such as the n-dodecyl radical; Cycloalkyl residues such as cyclopen
• hydrocarbon radicals R 1 optionally contain an aliphatic double bond.
• alkenyl radicals such as vinyl, allyl, 5-hexen-1-yl, E-4-hexen-1-yl, Z-4-hexen-1-yl, 2- (3-cyclohexenyl) ethyl and cyclododeca-4,8-dienyl.
• Preferred radicals R 1 with an aliphatic double bond are the vinyl, allyl and 5-hexen-1-yl radicals.
• hydrocarbon radicals R 1 preferably contain a double bond.
• C 1 to C 18 hydrocarbon radicals substituted with fluorine, chlorine or bromine atoms are the 3,3,3-trifluoro-n-propyl radical, the 2,2,2,2 ', 2', 2'-hexafluoroisopropyl radical , the heptafluoroisopropyl radical, and the o-, m- and p-chlorophenyl radical.
• Examples of the divalent C 1 to C 18 hydrocarbon radicals R 2 are saturated straight or branched chain or cyclic alkylene radicals such as the methylene and ethylene radical and propylene, butylene, pentylene, hexylene, 2-methylpropylene, cyclohexylene and Octadecylene radicals or unsaturated alkylene or arylene radicals such as the hexenylene radical and phenylene radicals, the n-propylene radical and the 2-methylpropylene radical being particularly preferred.
• alkoxy radicals are alkyl radicals bonded via an oxygen atom and described above.
• the examples of alkyl radicals also apply in full to the alkoxy radicals R 1 .
• the alkylglycol radicals R 1 preferably have the general formula (IV) -R 2 - [O (CHR 3 ) d ] n OR 4 (IV) in which R 2 , R 3 and d have the above meanings, n has the value 1 to 100 and R 4 is a hydrogen atom, a radical R 3 or a group of the general formula means, where R 5 is R 3 or OR 3 .
• R 1 is a methyl, phenyl, C 1 to C 3 alkoxy or hydroxy radical or a radical of the general formula (IV)
• R 2 is a divalent C 2 to C 6 hydrocarbon radical
• R 3 is a hydrogen atom or a methyl radical
• b the value 1
• c the values 2 or 3
• d the value 1.
• Linear polydimethylsiloxanes which optionally have C 1 to C 3 alkoxy or hydroxy end groups are particularly preferred.
• Q is preferably a group H 2 N (CH 2 ) 2 NH (CH 2 ) 3 - or H 2 N (CH 2 ) 2 NHCH 2 CH (CH 3 ) CH 2 -.
• the ratio of the siloxane units of the general formula (I) to the siloxane units of the general formula (II) is preferably 1:10 to 30,000, in particular 1:20 to 300.
• the amine contents are preferably 0.01 to 2 mequiv / g, in particular 0 , 1 to 0.7 mequiv / g, measured as consumption of 1N hydrochloric acid in ml / g organopolysiloxane (A) during the titration to the neutral point.
• a type of organopolysiloxane (A) can be used. However, a mixture of at least two different types of organopolysiloxane (A) can also be used.
• the organopolysiloxane (A) or a mixture of at least two different types of organopolysiloxanes (A) preferably has an average viscosity of 20 to 100000 mPa ⁇ s, in particular 20 to 10000 mPa ⁇ s at 25 ° C.
• the composition preferably contains 0.1 to 10 parts by weight, in particular 0.5 to 3 parts by weight of solubilizer (C) per 100 parts by weight of organopolysiloxane (A).
• the organopolysiloxanes (F2) preferably have at least one siloxane unit of the above general formula (VI) and all other siloxane units have the above general formula (II).
• E is preferably 1.
• the organopolysiloxanes (E2) and (F2) preferably have an average viscosity of 10 to 100000 mPa ⁇ s, preferably 20 to 10000 mPa ⁇ s, in particular 50 to 1000 mPa ⁇ s at 25 ° C.
• the organopolysiloxanes (A) are preferably produced at 0 ° C. to 50 ° C., in particular at 10 ° C. to 30 ° C.
• the reaction time in which 99 mol% of the starting compounds (E) and (F) have been converted to organopolysiloxanes (A) is usually 1 hour to 20 days, in particular 12 hours to 3 days.
• solubilizer (C) is added per 100 parts by weight of starting compounds (E) and (F).
• the starting compounds (E) and (F) can only be mixed with solubilizer (C); the optically clear compositions then arise during storage and transport.
• the reaction mixture of starting compounds (E) and (F) with solubilizer (C) can even be filled directly into containers such as canisters, barrels or tanks.
• the resulting optically clear compositions can be processed further. The required response time can be observed on the transport route or during storage.
• the starting compounds (E) and (F) can still be present in small amounts in the optically clear compositions. As long as the reaction of the starting compounds (E) and (F) has not yet been completed, alkanols with 1 to 4 carbon atoms and / or water are still formed.
• a water molecule is formed during the condensation reaction between two silanol groups.
• An alkanol molecule is formed in the condensation reaction between a silanol group and an alkoxy group.
• a water molecule is required in the condensation reaction between two alkoxy groups and two alkanol molecules are formed.
• the organopolysiloxanes (E2) and (F2) preferably have silanol groups, since the reaction between silanol groups and alkoxy groups is particularly rapid.
• R 7 is preferably straight-chain and in particular has 1 to 19 carbon atoms.
• R 8 is preferably a straight-chain alkyl radical and in particular has 1 to 6 carbon atoms.
• K preferably has the value 2.
• L preferably has the values 0 or 1 to 5.
• R 7 preferably has 4 to 14 carbon atoms.
• Examples of monosaccharides from which the glycoside residues Z can be constructed are hexoses and pentoses, such as glucose, fructose, galactose, mannose, talose, allose, old rose, idose, arabinose, xylose, lyxose and ribose, with glucose being particularly preferred.
• alkylene radicals are methylene, ethylene, propylene, butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene and octadecylene radicals.
• the radical R 2 is preferably linear alkylene radicals having 2 to 20 carbon atoms, particularly preferably linear alkylene radicals having 2 to 8 carbon atoms, in particular the n-propylene radical.
• radicals R 9 are G-CH 2 CH 2 CH 2 -, G- (CH 2 CH 2 O) -CH 2 CH 2 CH 2 -, G- (CH 2 CH 2 O) 2 -CH 2 CH 2 CH 2 -, where G is a glucoside residue (C 6 H 11 O 6 -), G 2 -CH 2 CH 2 CH 2 -, G 2 - (CH 2 CH 2 O) -CH 2 CH 2 CH 2 -, G 2 - (CH 2 CH 2 O) 2 -CH 2 CH 2 CH 2 -, where G 2 is a glycoside residue composed of two glucose units.
• the radical R 9 is preferably G-CH 2 CH 2 CH 2 -, G- (CH 2 CH 2 O) -CH 2 CH 2 CH 2 -, G 2 -CH 2 CH 2 CH 2 - and G 2 - (CH 2 CH 2 O) -CH 2 CH 2 CH 2 -, where G- (CH 2 CH 2 O) -CH 2 CH 2 CH 2 -, and G 2 - (CH 2 CH 2 O) -CH 2 CH 2 CH 2 - are particularly preferred and G is a glucoside residue (C 6 H 11 O 6 -) and G 2 is a glycoside residue composed of two glucose units.
• q preferably means 0.
• organosilicon compounds according to the general formula (XII) containing glycoside residues x differs on average from 0, r is preferably 0.
• up to 10 mole percent of the diorganosiloxane units can be replaced by other siloxane units, such as, for example, R 1 SiO 3/2 , R 6 SiO 3/2 and / or SiO 4/2 units where R 1 and R 6 have the above meaning.
• the optically clear compositions can also promote the condensation and the equilibration reaction basic catalysts, such as alkali metal hydroxides, in particular potassium and cesium hydroxide, alkali metal alcoholates, quaternary ammonium hydroxides, such as tetramethylammonium hydroxide, benzyltrimethylammonium hydroxide, benzyltriethylammoniumethylhydroxylethylammoniumhydroxonethylammoniumhydroxon, hydroxylethylammonium hydroxide, benzyltriumethylhydroxylethylammonium hydroxide, benzyltronethylhydroxylethylammonium hydroxide, such as tetra-n-butylphosphonium hydroxide and tri-n-butyl-3- [tris- (trimethylsiloxy) silyl] -n-propylphosphonium hydroxide, alkali siloxanolates and ammonium organosiloxano
• the condensation catalysts and the equilibration reaction which promote basic catalysts can be mixed with compounds (E) and (F) during the preparation of the optically clear compositions.
• compounds (E) and (F) Preferably at most 5, in particular at most 2 parts by weight of basic catalysts per 100 parts by weight of organopolysiloxane (A) or compounds (E) and (F) are present.
• the optically clear compositions can contain additives for certain purposes, for example for use as textile treatment agents, in addition to the above components.
• Suitable additives are, for example, biocides such as fungicides, bactericides, algicides and microbicides, thickeners, antifreezes, antistatic agents, dyes, flame retardants and organic plasticizers.
• Example 1 The mixtures prepared in Example 1 were mixed with 10 parts by weight of isotridecanol 2 days after the turbidity had set in. The mixtures became optically clear after a few minutes.
• Example 3 The mixtures prepared in Example 1 were 2 days,
• Example 1 The mixtures prepared in Example 1 were mixed with 10 parts by weight of ethyl glycol acetate 2 days after the turbidity had set in. The mixtures became optically clear after a few minutes.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Organic Chemistry (AREA)
• Polymers & Plastics (AREA)
• Medicinal Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Materials Engineering (AREA)
• Wood Science & Technology (AREA)
• Dispersion Chemistry (AREA)
• Silicon Polymers (AREA)
• Curing Cements, Concrete, And Artificial Stone (AREA)
• Compositions Of Macromolecular Compounds (AREA)

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• 1995
  • 1995-02-23 DE DE19506396A patent/DE19506396A1/de not_active Withdrawn
• 1996
  • 1996-01-13 TW TW085100383A patent/TW319755B/zh active
  • 1996-01-30 US US08/594,044 patent/US5626660A/en not_active Expired - Fee Related
  • 1996-02-22 DE DE59600051T patent/DE59600051D1/de not_active Expired - Fee Related
  • 1996-02-22 EP EP96102663A patent/EP0728813B1/fr not_active Expired - Lifetime

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